Top 200+ CCNA Networking Fundamentals Questions?

What is Networking?

Compare and contrast OSI and TCP/IP models

Compare and contrast TCP and UDP protocols

Describe the impact of infrastructure components in an enterprise network

What are Firewalls?

What is an Access point?

What are Wireless controllers?

Describe the effects of cloud resources on enterprise network architecture

Traffic path to internal and external cloud services

Virtual services

Basic virtual network infrastructure

Compare and contrast collapsed core and three-tier architectures

Compare and contrast network topologies

What are Star network topologies?

What are Mesh network topologies?

Select the appropriate cabling type based on implementation requirements

Apply troubleshooting methodologies to resolve problems

Perform and document fault isolation

Resolve or escalate

Verify and monitor resolution

Configure, verify, and troubleshoot IPv4 addressing and subnetting

Compare and contrast IPv4 address types

What is Unicast

What is Broadcast

What is Multicast

Describe the need for private IPv4 addressing

Identify the appropriate IPv6 addressing scheme to satisfy addressing requirements in a LAN/WAN environment

Configure, verify, and troubleshoot IPv6 addressing

Configure and verify IPv6 Stateless Address Auto Configuration

Compare and contrast IPv6 address types

Global unicast

Unique local

Link local

Multicast

Modified EUI 64

Autoconfiguration

Anycast

LAN Switching Technologies

Describe and verify switching concepts

MAC learning and aging

Frame switching

Frame flooding

MAC address table

Interpret Ethernet frame format

Troubleshoot interface and cable issues (collisions, errors, duplex, speed)

Configure, verify, and troubleshoot VLANs (normal/extended range) spanning multiple switches

Access ports (data and voice)

Default VLAN

Configure, verify, and troubleshoot interswitch connectivity

Trunk ports

Add and remove VLANs on a trunk

DTP, VTP (v1&v2), and 802.1Q

Native VLAN

Configure, verify, and troubleshoot STP protocols

STP mode (PVST+ and RPVST+)

STP root bridge selection

Configure, verify and troubleshoot STP related optional features

PortFast

BPDU guard

Configure and verify Layer 2 protocols

Cisco Discovery Protocol

LLDP

Configure, verify, and troubleshoot (Layer 2/Layer 3) EtherChannel

Static

PAGP

LACP

Describe the benefits of switch stacking and chassis aggregation

Routing Technologies

Describe the routing concepts

Packet handling along the path through a network

Forwarding decision based on route lookup

Frame rewrite

Interpret the components of a routing table

Prefix

Network mask

Next hop

Routing protocol code

Administrative distance

Metric

Gateway of last resort

Describe how a routing table is populated by different routing information sources

Admin distance

Configure, verify, and troubleshoot inter-VLAN routing

Router on a stick

SVI

Compare and contrast static routing and dynamic routing

Compare and contrast distance vector and link state routing protocols

Compare and contrast interior and exterior routing protocols

Configure, verify, and troubleshoot IPv4 and IPv6 static routing

What is contrast static routing?

What is dynamic routing?

What is contrast distance vector?

Default route

Network route

Host route

Floating static

Configure, verify, and troubleshoot single area and multi-area OSPFv2 for IPv4 (excluding authentication, filtering, manual summarization, redistribution, stub, virtual-link, and LSAs)

Configure, verify, and troubleshoot single area and multi-area OSPFv3 for IPv6 (excluding authentication, filtering, manual summarization, redistribution, stub, virtual-link, and LSAs)

Configure, verify, and troubleshoot EIGRP for IPv4 (excluding authentication, filtering, manual summarization, redistribution, stub)

Configure, verify, and troubleshoot EIGRP for IPv6 (excluding authentication, filtering, manual summarization, redistribution, stub)

Configure, verify, and troubleshoot RIPv2 for IPv4 (excluding authentication, filtering, manual summarization, redistribution)

Full Form of PPP and MLPPP

Troubleshoot basic Layer 3 end-to-end connectivity issues

WAN Technologies

Configure and verify PPP and MLPPP on WAN interfaces using local authentication

Configure, verify, and troubleshoot PPPoE client-side interfaces using local authentication

Configure, verify, and troubleshoot GRE tunnel connectivity

Describe WAN topology options

Point-to-point

Hub and spoke

Full mesh

Single vs dual-homed

Describe WAN access connectivity options

MPLS

Metro Ethernet

Broadband PPPoE

Internet VPN (DMVPN, site-to-site VPN, client VPN)

Configure and verify single-homed branch connectivity using eBGP IPv4 (limited to peering and route advertisement using Network command only)

Describe basic QoS concepts

Marking

Device trust

Prioritization and explain Voice, Video, Data, Shaping, Policing and Congestion management

Infrastructure Services

Describe DNS lookup operation

What is Prioritization Voice?

What is Prioritization Video?

What is Prioritization Data?

What is Prioritization Shaping?

What is Prioritization Policing?

What is Prioritization Congestion?

Troubleshoot client connectivity issues involving DNS 

Configure and verify DHCP on a router (excluding static reservations)

Server

Relay

Client

TFTP, DNS, and gateway options

Troubleshoot client- and router-based DHCP connectivity issues

Configure, verify, and troubleshoot basic HSRP

Priority

Preemption

Version

Configure, verify, and troubleshoot inside source NAT

Static

Pool

PAT

Configure and verify NTP operating in a client/server mode

Infrastructure Security

Configure, verify, and troubleshoot port security

Static

Dynamic

Sticky

Max MAC addresses

Violation actions

Errdisable recovery

Describe common access layer threat mitigation techniques

802.1x

DHCP snooping

Nondefault native VLAN

Configure, verify, and troubleshoot IPv4 and IPv6 access list for traffic filtering

Standard

Extended

Named

Verify ACLs using the APIC-EM Path Trace ACL analysis tool
Configure, verify, and troubleshoot basic device hardening

Local authentication

Secure password

Access to device

Source address

Telnet/SSH

Login banner

Describe device security using AAA with TACACS+ and RADIUS
Static

Pool

PAT

Configure and verify NTP operating in a client/server mode

Infrastructure Management

Configure and verify device-monitoring protocols

SNMPv2

SNMPv3

Syslog

Troubleshoot network connectivity issues using ICMP echo-based IP SLA

Configure and verify device management

Backup and restore device configuration

Using Cisco Discovery Protocol or LLDP for device discovery

Licensing

Logging

Timezone

Loopback

Configure and verify initial device configuration

Perform device maintenance

Cisco IOS upgrades and recovery (SCP, FTP, TFTP, and MD5 verify)

Password recovery and configuration register

File system management

Use Cisco IOS tools to troubleshoot and resolve problems

Ping and traceroute with extended option

Terminal monitor

Log events

Local SPAN

Describe network programmability in enterprise network architecture

Function of a controller

Separation of control plane and data plane

Northbound and southbound APIs